Added Tags support (thanks to @timkelty)

Fixed bug if offset was an empty string

All service code is now fully covered by unit tests

Fetch elements individually for less memory consumption (thanks to @gijsstegehuis)

• Show spinner while generating export (thanks to @gijsstegehuis)
• Added the ability to register the preferred CSV delimiter via the registerExportCsvDelimiter hook

• Added ability to pre-select export elementtype through query string (thanks to @gijsstegehuis)
• Added Dutch translations (thanks to @rutgerbakker)

Fixed export history maps (thanks to @MRolefes)

• Added the ability to control the sorting of data
• Improved the display of dates
• Improved the display of single option fields
• Use Windows friendly newlines

Fixed multioptions fieldtype exporting

Use native php csv export function to generate more correct csv's